JPH04952B2 - - Google Patents
Info
- Publication number
- JPH04952B2 JPH04952B2 JP60130799A JP13079985A JPH04952B2 JP H04952 B2 JPH04952 B2 JP H04952B2 JP 60130799 A JP60130799 A JP 60130799A JP 13079985 A JP13079985 A JP 13079985A JP H04952 B2 JPH04952 B2 JP H04952B2
- Authority
- JP
- Japan
- Prior art keywords
- clinker
- water
- magnesia
- weight
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 239000011823 monolithic refractory Substances 0.000 claims description 12
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 8
- 229910052596 spinel Inorganic materials 0.000 claims description 7
- 239000011029 spinel Substances 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 239000010459 dolomite Substances 0.000 claims description 6
- 229910000514 dolomite Inorganic materials 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 15
- 238000001035 drying Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 9
- 235000021317 phosphate Nutrition 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000001723 curing Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000001079 digestive effect Effects 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000011007 phosphoric acid Nutrition 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- -1 ferrous metals Chemical class 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910017119 AlPO Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 235000011008 sodium phosphates Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000018936 Vitellaria paradoxa Nutrition 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- DHAHRLDIUIPTCJ-UHFFFAOYSA-K aluminium metaphosphate Chemical compound [Al+3].[O-]P(=O)=O.[O-]P(=O)=O.[O-]P(=O)=O DHAHRLDIUIPTCJ-UHFFFAOYSA-K 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6306—Binders based on phosphoric acids or phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6306—Binders based on phosphoric acids or phosphates
- C04B35/6309—Aluminium phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60130799A JPS61291465A (ja) | 1985-06-18 | 1985-06-18 | 不定形耐火組成物 |
DE19863620284 DE3620284A1 (de) | 1985-06-18 | 1986-06-16 | Aus einem stueck bestehende feuerfeste masse |
FR868608712A FR2589854B1 (fr) | 1985-06-18 | 1986-06-17 | Compositions pour refractaires monolithiques contenant un agregat refractaire basique et un phosphate peu soluble |
GB8614738A GB2177081B (en) | 1985-06-18 | 1986-06-17 | Homogeneous refractory compositions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60130799A JPS61291465A (ja) | 1985-06-18 | 1985-06-18 | 不定形耐火組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61291465A JPS61291465A (ja) | 1986-12-22 |
JPH04952B2 true JPH04952B2 (it) | 1992-01-09 |
Family
ID=15042975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60130799A Granted JPS61291465A (ja) | 1985-06-18 | 1985-06-18 | 不定形耐火組成物 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS61291465A (it) |
DE (1) | DE3620284A1 (it) |
FR (1) | FR2589854B1 (it) |
GB (1) | GB2177081B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2556418B2 (ja) * | 1992-07-14 | 1996-11-20 | 大光炉材株式会社 | 不定形耐火材 |
FR2700951B1 (fr) * | 1993-02-03 | 1995-04-14 | Alain Queroy | Composition de revêtement pour fonderie dentaire. |
GB9305346D0 (en) * | 1993-03-16 | 1993-05-05 | Shaw Richard D | Improvements in the manufacture of shaped refractory objects |
JP2640620B2 (ja) * | 1993-12-29 | 1997-08-13 | 多木化学株式会社 | 不定形耐火物 |
JP2007192434A (ja) * | 2006-01-17 | 2007-08-02 | Asahi Tec Corp | 溶解炉 |
BR112015003774A2 (pt) | 2012-08-21 | 2017-07-04 | Stellar Mat Incorporated | composição refratária e processo para formar um artigo refratário |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS543821A (en) * | 1977-06-13 | 1979-01-12 | Harima Refractories Co Ltd | Castable refractory material |
JPS58104071A (ja) * | 1981-12-14 | 1983-06-21 | 品川白煉瓦株式会社 | 塩基性圧入材 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT231337B (de) * | 1960-11-15 | 1964-01-27 | Aluminiumphosphat enthaltendes Bindemittel zur Herstellung feuerfester Steine, Massen, Mörtel usw. | |
GB1084654A (en) * | 1964-12-02 | 1967-09-27 | Kaiser Aluminium Chem Corp | Improvements in or relating to refractory compositions |
US3304187A (en) * | 1965-03-01 | 1967-02-14 | Republic Steel Corp | Basic refractory compositions |
US3392037A (en) * | 1965-07-16 | 1968-07-09 | Kaiser Aluminium Chem Corp | Refractory shape |
US3357843A (en) * | 1966-01-10 | 1967-12-12 | Kaiser Aluminium Chem Corp | Refractory bonding composition |
GB1157454A (en) * | 1966-07-18 | 1969-07-09 | Kaiser Aluminium Chem Corp | Improvements in or relating to Refractory Compositions. |
US3522063A (en) * | 1967-07-26 | 1970-07-28 | Gen Refractories Co | Phosphate-bonded basic refractory composition |
DE1939908A1 (de) * | 1968-10-14 | 1970-04-30 | Dresser Ind | Feuerfester Formkoerper hohen Tonerdegehaltes |
GB1357541A (en) * | 1970-03-16 | 1974-06-26 | Ici Ltd | Refractory compositions |
US3839057A (en) * | 1971-07-28 | 1974-10-01 | Gen Refractories Co | Burned basic phosphate-bonded refractory brick |
GB1368794A (en) * | 1971-09-17 | 1974-10-02 | Morgan Refractories Ltd | Refractories |
AR205879A1 (es) * | 1972-05-22 | 1976-06-15 | Ici Ltd | Composiciones refractarias de fraguado en frio |
US3920464A (en) * | 1974-10-21 | 1975-11-18 | Quigley Co | Refractory bonding system |
US4276091A (en) * | 1980-03-27 | 1981-06-30 | Kaiser Aluminum & Chemical Corporation | Refractory gun mix |
AT373574B (de) * | 1980-09-09 | 1984-02-10 | Oesterr Amerikan Magnesit | Feuerfeste, asbestfreie, isolierende spritzmasse |
DE3485498D1 (de) * | 1983-03-18 | 1992-03-19 | Quigley Co | Monolithische feuerfestzusammensetzung. |
-
1985
- 1985-06-18 JP JP60130799A patent/JPS61291465A/ja active Granted
-
1986
- 1986-06-16 DE DE19863620284 patent/DE3620284A1/de active Granted
- 1986-06-17 GB GB8614738A patent/GB2177081B/en not_active Expired
- 1986-06-17 FR FR868608712A patent/FR2589854B1/fr not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS543821A (en) * | 1977-06-13 | 1979-01-12 | Harima Refractories Co Ltd | Castable refractory material |
JPS58104071A (ja) * | 1981-12-14 | 1983-06-21 | 品川白煉瓦株式会社 | 塩基性圧入材 |
Also Published As
Publication number | Publication date |
---|---|
FR2589854B1 (fr) | 1992-07-24 |
DE3620284A1 (de) | 1986-12-18 |
FR2589854A1 (fr) | 1987-05-15 |
GB8614738D0 (en) | 1986-07-23 |
GB2177081A (en) | 1987-01-14 |
DE3620284C2 (it) | 1989-12-07 |
JPS61291465A (ja) | 1986-12-22 |
GB2177081B (en) | 1989-07-12 |
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